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REM sleep deprivation and food intake
J L Bhanot1, G S Chhina, B Singh
1Department of Human Biology, Punjabi University, Patiala.
Indian Journal of Physiology and Pharmacology
|July 1, 1989
Summary
REM-sleep deprivation (REM-SD) in rats increased intake of carbohydrate-rich diets and total food intake, leading to higher body weight. These changes suggest REM-SD affects feeding behavior and metabolism.
Area of Science:
- Neuroscience
- Physiology
- Nutritional Science
Background:
- Sleep plays a crucial role in regulating physiological processes, including appetite and metabolism.
- REM sleep, in particular, is implicated in various brain functions, but its specific impact on dietary choices remains an area of investigation.
Purpose of the Study:
- To investigate the effects of REM-sleep deprivation (REM-SD) on diet preference and food intake in a rat model.
- To examine the impact of REM-SD on body weight and body temperature regulation.
Main Methods:
- Rats underwent 72 hours of REM-sleep deprivation (REM-SD).
- Food intake of Carbohydrate-Rich Diet (CRD) and Balanced Diet (BD) was monitored.
- Body weight (BWt) and body temperature were recorded throughout the study and recovery period.
Main Results:
- REM-SD significantly increased the intake of CRD and Total Diet (TD), along with body weight (BWt).
- Rats showed a preference for CRD over BD during REM-SD.
- While TD intake recovered post-deprivation, BWt and CRD consumption remained elevated; BD intake stayed low.
Conclusions:
- REM-SD alters diet preference in rats, favoring carbohydrate-rich foods.
- Increased food intake and body weight following REM-SD may be linked to elevated insulin levels and hypothalamic feeding center activation.
- These findings highlight the significant influence of REM sleep on metabolic regulation and feeding behavior.